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Assessment for Learning Chemistry: acids and alkalis 1

Description

Assessment for Learning is an effective way of actively involving students in their learning. Each session plan comes with suggestions about how to organise activities and worksheets that may be used with students.

Assessment for Learning is an effective way of actively involving students in their learning. Each session plan comes with suggestions about how to organise activities and worksheets that may be used with students.

ADDITIONAL INFORMATION

If you teach primary science, click the headings below to find out how to use this resource:

Skill development

Children will develop their working scientifically skills by:

Using appropriate scientific language and ideas to explain, evaluate and communicate their methods and findings.

Learning outcomes

Children will:

Draw connections between different key words relating to the topic of acids and alkalis.

Concepts supported

Children will learn:

That substances can be classified as acidic, alkaline or neutral, through the use of everyday examples.

That the human stomach uses acid to aid digestion, which can be neutralised using alkalis and other antacids.

Suggested activity use

You could use this activity as a stimulus and as a way to introduce key words related to the subject of acids and alkalis, linking this to the topic of the human digestive system. You could also use it to introduce flow charts/classification keys. If you choose to use hydrochloric acid then the initial demonstration needs to be carried out by an adult. Alternatively, children could carry out this activity using lemon juice or white vinegar.

This resource provides great opportunities for assessment, as it enable children to articulate their ideas about acids and alkalis and identify what they are less confident about.

Practical considerations

Some of the language used in the resource are beyond primary level, so children may need support in understanding the terms.

Hydrochloric acid may not be available in primary schools – alternatives such as lemon juice or white vinegar can be used